Radio Meteor Observation in Japan No.292 February 2026 - English : https://www.iprmo.org - Japanese: https://jpn.iprmo.org ----------------------------------------------------------------------------- Observer : Kenji Fujito Location : Yokkaichi, Mie, Japan (34.96 N, 136.61 E) Frequency: 53.100 MHz (50W JA2SDA, Toyokawa, Japan) Transmitter Location:　 HAM beacon (JA2SDA 50 W CW, 53.100 MHz), Toyokawa, Aichi, Japan Antenna : 2el. Comet HB9CV, zenith Receiver: SMArtRTL-SDRv5 53,099,100MHz Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 10 11 17 17 17 21 20 17 10 14 12 14 9 10 5 3 2 3 2 3 8 8 5 11 02 | 12 13 11 21 26 32 13 10 12 12 13 %7 10 5 5 4 4 4 3 6 4 4 8 9 03 | 11 13 13 12 17 17 15 11 10 13 11 16 12 10 8 10 2 2 2 5 1 6 10 6 04 | 12 10 17 27 32 29 10 17 7 12 12 15 10 12 10 0 4 3 1 4 5 5 9 10 05 | 11 9 20 26 18 11 10 15 8 7 12 8 %6 8 3 3 3 2 4 3 5 1 5 11 06 | 7 13 26 12 19 17 14 11 7 13 12 13 8%12 NS NS NS -- -- -- %6 7 6 9 07 | 12 15 18 23 20 16 13 16 14 8 15 14 7 3 5 3 4 0 1 3 2 2 5 6 08 | 7 8 14 15 16 16 10 8 8 %4 -- %8 7 5 3 1 2 3 0 1 3 8 7 6 09 | 9 19 13 20 20 15 12 16 13 14 16 17 13 7 10 1 5 2 0 3 5 5 3 19 10 | 8%18 12 17 26 19 23 12 12 25 16 14 12 10 6 9 6 2 3 4 6 1 7 8 11 | 12 10 23 20 18 16 19 11 22 11 13 14 13 12 4 5 3 3 4 1 5 8 8 11 12 | 15 14 16 17 20 22 15 10 9 17 9 13 5 13 7 6 0 1 2 5 5 6 9 11 13 | %6 11 13 15 23 19 20 11 17 17 14 12 17 4 4 3 3 2 2 1 10 6 7 %6 14 | 8 13 14 18 18 11 13 11 12 17 13 13 13 5 4 2 1 1 1 3 6 3 3 %6 15 | 9 9 23 18 15 16 16 9 14 7 11 7 11 9 7 2 2 1 0 3 1 4 11 7 16 | 7 12 13 16 15 18 20 9 11 3 8 7 6 8 2 2 2 1 2 1 2 7 9 10 17 | 8 13 20 18 20 9 16 9 15 16 10 10 11 7 8 1 1 0 3 1 4 4 5 12 18 | 10 16 22 15 16 18 12 14 7 17 9 15 13 6 8 7 2 0 3 1 7 6 8 4 19 | 9 7 13 20 17 15 11 7 5 9 6%11 7 5 3 2 2 0 1 2 6 7 5 13 20 | 9 16 16 24 21 15 19 7 9 11 9 9 14 6 2 1 3 1 2 3 4 2 4 8 21 | 12 14 12 13 15 14 19 14 13 15 10 15 6 7 2 4 1 0 0 2 5 5 3 7 22 | 5 10 14 17 15 17 18 21 15 14 7 10 8 9 %7 -- 機 %3 1 0 4 5 4 7 23 | 9 4 4 10 14 22 10 9 8 11 8 2 3 6 5 2 3 0 0 %2 4 5 10 6 24 | 8 13 19 19 18 12 4 13 11 11 7 10 12 8 7 4 0 1 2 3 0 %5 1 3 25 | 10 10 11 18 13 17 9 7 10 14 4 7 9 4 5 1 0 2 0 2 1 4 6 6 26 | 10 5 15 11 13 12 13 6 14 11 12 12 13 8 5 6 5 1 1 1 4 5 6 7 27 | 13 12 19 13 14 14 6 5 6 5 13 11 6 %4 2 2 0 2 3 3 5 3 9 9 28 | 10 17 15 11 10 5 10 15 11 12 3 11 14 7 8 4 1 0 2 1 3 1 3 7 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 04 | 1 1 1 05 | 06 | 07 | 1 08 | 1 09 | 10 | 1 11 | 12 | 13 | 1 14 | 15 | 16 | 1 17 | 1 18 | 1 19 | 1 20 | 1 21 | 1 22 | 23 | 1 24 | 25 | 26 | 27 | 1 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Tuboi Observatory[TSUBOI MASAKI] Location : Asakitaku,Hiroshimashi,JAPAN (34.45 N, 132.50 E) Frequency: 53.372 MHz Antenna : 2el. HB9CV Az:60deg. horizon. Transmitter Location: HAM beacon (JE3AKE) (50W CW, 53.372MHz) Receiver: R820T2-SDR+TCXO SDRRadio Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 0 0 3 3 4 5 4 1 5 3 2 8 7 9 1 2 1 2 1 8 1 2 2 0 02 | 2 1 1 1 3 0 0 3 3 3 2 3 5 2 1 0 2 2 1 2 0 1 1 1 03 | 2 1 1 4 4 5 3 9 6 3 8 7 1 9 5 1 2 2 2 0 0 0 2 2 04 | 0 0 2 2 %2 2 0 1 1 7 3 4 5 3 7 0 0 3 0 1 0 0 1 1 05 | 1 1 0 0 2 2 3 1 2 0 2 2 3 2 2 2 0 0 0 0 1 0 0 2 06 | 1 0 4 2 2 1 1 2 3 6 5 2 1 2 %2 4 2 0 0 3 4 1 1 1 07 | 1 2 %0 5 %0 1 4 11 1 2 0 2 3 0 1 1 4 3 1 3 1 1 0 0 08 | 1 4 1 2 2 2 3 3 0 3 3 0 2 4 1 1 3 1 1 0 1 1 0 1 09 | 0 1 1 3 3 6 4 2 3 5 6 4 1 7 4 0 0 0 0 0 0 0 1 0 10 | 2 0 1 0 3 2 1 1 4 2 5 5 1 2 2 1 0 1 0 0 1 0 1 1 11 | 1 1 0 3 %2 3 2 6 5 6 1 2 1 0 2 1 1 0 3 0 2 4 2 2 12 | 1 2 2 6 5 8 1 0 2 5 5 6 2 0 2 0 1 0 0 0 1 2 0 0 13 | 4 1 1 0 0 1 4 4 1 4 6 4 6 2 1 1 1 2 0 0 0 0 1 3 14 | 0 3 3 0 3 2 1 1 2 3 0 1 4 7 2 1 1 0 0 3 1 0 3 4 15 | 4 2 5 2 0 1 2 3 2 2 2 3 2 1 1 0 0 0 0 3 4 0 0 0 16 | 1 4 0 6 6 5 3 2 6 2 7 4 3 1 5 4 1 2 1 4 3 0 4 4 17 | 0 2 3 3 3 4 1 5 4 1 5 3 2 3 0 0 1 1 1 1 2 2 1 2 18 | 0 1 3 4 2 1 3 1 1 5 5 2 5 0 3 3 0 0 0 2 5 4 0 0 19 | 0 0 0 0 2 0 4 3 3 2 3 1 5 1 4 5 1 0 2 0 0 2 1 1 20 | 2 5 2 3 3 2 2 5 2 1 8 1 3 5 1 2 1 2 0 0 1 3 0 1 21 | 2 0 3 2 3 1 3 4 3 4 3 1 3 4 2 1 1 1 2 2 3 0 0 0 22 | 1 1 6 1 3 3 2 2 1 2 4 4 3 3 3 2 3 2 1 1 1 1 0 1 23 | 0 3 1 2 1 0 3 5 1 2 4 3 3 4 4 0 2 0 0 0 0 5 0 0 24 | 0 3 3 3 2 2 2 7 3 1 3 4 6 0 2 1 0 0 0 0 0 2 2 1 25 | 2 0 1 0 %0 %1 2 6 2 %2 1 8 3 5 3 1 1 1 1 0 4 3 0 4 26 | 2 4 1 3 1 2 0 8 2 2 3 3 1 2 5 2 1 1 0 1 4 0 0 0 27 | 1 2 2 0 0 3 0 2 2 1 2 2 1 2 0 2 1 0 1 0 2 0 0 0 28 | 2 4 2 3 2 1 3 3 2 2 3 2 5 3 1 1 1 0 0 2 1 0 1 4 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 1 10 | 11 | 12 | 13 | 14 | 15 | 16 | 1 17 | 18 | 1 1 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 112.000 MHz Transmitter Location: Komatsu-VOR Beacon for Air-flight Antenna : 5el-Yagi Az60deg. Receiver: R820T2 & SDR+TCXO SDRradio Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | %1 0 2 0 1 6 3 3 6 1 6 8 6 1 2 0 4 4 2 2 0 6 4 1 02 | 2 9 6 6 3 4 2 9 12 2 5 7 2 3 7 1 2 2 2 2 2 5 1 1 03 | 4 1 0 0 0 0 1 4 7 6 7 3 2 6 3 2 5 0 1 5 2 5 %1 -- 04 | -- %3 1 3 0 3 4 3 3 3 2 6 0 2 3 5 1 1 2 0 1 0 5 3 05 | 2 2 2 1 2 1 1 3 4 7 6 3 4 12 6 2 1 1 2 0 2 2 2 2 06 | 4 2 2 4 1 1 4 3 0 6 1 4 %2 5 4 4 1 3 2 0 2 0 1 1 07 | 1 3 0 0 1 0 4 4 IF %5 2 3 2 5 %1 2 1 1 1 1 1 0 5 3 08 | 3 2 1 1 5 1 4 3 8 2 4 4 2 2 5 0 0 %2 %2 2 2 1 2 0 09 | 2 0 3 1 1 4 2 6 0 3 1 2 5 3 5 1 2 1 0 0 0 2 1 0 10 | 4 5 1 3 5 4 3 4 5 5 3 1 4 4 5 4 1 1 1 1 0 1 0 1 11 | 1 2 2 0 1 1 0 2 6 0 2 2 1 7 2 1 7 2 2 0 0 2 0 1 12 | 0 1 1 1 1 4 3 2 0 5 3 1 2 1 3 0 4 4 0 0 2 2 2 2 13 | 2 1 2 2 0 2 4 1 0 1 5 4 6 0 6 0 3 1 0 1 3 1 2 0 14 | 4 0 2 0 1 2 2 0 3 5 2 5 10 4 6 1 3 3 0 2 %2 0 2 1 15 | 4 5 1 2 1 2 3 1 %2 5 3 8 5 6 5 2 5 1 3 1 2 2 3 3 16 | 6 0 0 2 4 1 2 2 4 1 5 1 3 4 4 4 7 2 0 0 0 0 1 0 17 | 1 2 2 1 3 2 0 3 2 3 8 4 IF IF %0 0 2 2 3 1 2 1 1 1 18 | %1 2 3 1 2 1 1 2 3 4 2 0 2 %2 2 2 1 0 0 0 0 4 1 2 19 | 4 0 0 0 3 5 4 0 5 3 5 5 %2 1 3 0 3 2 1 0 0 1 3 3 20 | 3 1 0 2 2 2 2 4 0 8 2 2 3 2 3 3 2 2 1 0 1 0 3 2 21 | 2 4 0 0 2 1 1 2 1 5 7 4 0 0 2 6 3 0 0 1 0 0 1 3 22 | 3 4 1 1 2 5 6 2 0 1 2 4 4 1 2 2 1 0 1 0 0 4 1 1 23 | 1 2 0 3 0 0 2 2 4 3 3 2 6 1 1 1 7 1 2 0 2 0 0 1 24 | 0 0 1 0 5 1 3 4 5 1 3 3 4 5 6 3 3 2 1 1 2 3 1 3 25 | 3 1 2 3 0 0 4 1 3 5 1 5 3 9 1 1 3 1 0 1 1 2 3 2 26 | 3 2 3 0 4 6 8 3 2 1 3 1 2 3 0 2 4 2 0 2 2 2 1 0 27 | 3 2 0 1 1 2 2 1 5 4 6 5 0 3 0 2 3 3 1 4 6 3 0 1 28 | 4 5 3 0 0 2 1 1 1 7 2 7 4 5 0 2 3 1 4 1 1 2 1 0 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 1 04 | 05 | 06 | 1 07 | 1 08 | 09 | 10 | 1 1 11 | 1 1 12 | 13 | 14 | 1 1 1 15 | 16 | 17 | 1 1 18 | 19 | 20 | 21 | 1 22 | 23 | 24 | 1 25 | 1 26 | 27 | 1 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer :Hirofumi Sugimoto Location : Hachioji, Tokyo, Japan (35.654 N, 139.319 E) Frequency: 53.372 MHz Transmitter Location: HAM beacon (JE3AKE) (50W CW, 53.372MHz) Antenna : 3el HB9CV. Az:255deg. Horizon. Receiver: RTL-SDR Method : by using SpectrumLab software, manual count using MroView (by Kazuhiro Arita) -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 18 12 15 25 18 20 21 20 18 21 15%13 9 10 8 2 5 4 7 8 9 8 18 15 02 | 15 15 13 11 25 20 20 23 13 11 19 15 9 11 5 3 7 5 5 6 6 4 11 10 03 | 17 5 18 15 15 15 23 18 22 18 16 10 10 5 6 3 2 3 6 6 10 8 13 18 04 | 10 8 14 14 18 23 11 20 30 6 14%10 6 8 9 5 2 9 5 5 10 12 17 17 05 | 12 10 20 9 17 17 27 12 19 16 10 12%14 5 7 6 4 4 5 8 12 5 9 10 06 | 11 18 17 16 17 19 16 18 13 19 18 6 7 8 %6 2 5 2 1 3 3 5 8 17 07 | 9 11 12 13 10 7 18 13 15 15 10 9 3 6 8 3 2 3 5 4 9 12 14 10 08 | 12 8 16 20 16 17 14 9 16 8 18 11 4 5 9 7 5 4 3 5 5 16 10 11 09 | 12 8 12 20 22 12 20 17 13 18 6 6 12 8 2 6 2 2 4 7 6 8 7 18 10 | 12 13 9 7 13 20 16 12 21 11 7 6 3 6 9 8 3 3 7 5 8 5 12 8 11 | 7 8 14 11 13 15 16 20 22 14 10 12 12 6 2 3 6 5 9 2 7 13 10 16 12 | 6 10 12 9 19 13 22 17 9 10 16 3 11 5 6 5 4 3 1 5 6 16 12 7 13 | 7 11 9 17 13 11 16 13 14 11 8 7 4 8 6 4 3 8 7 3 5 9 7 12 14 | 4 10 22 7 10 17 15 11 10 16 10 9 11 6 4 2 1 3 3 6 8 9 4 10 15 | 7 12 13 15 14 22 9 10 15 14 13 12 10 9 13 4 3 6 5 3 6 14 14 12 16 | 13 8 14 14 24 21 21 30 25 17 14 10 11 7 7 4 2 4 5 5 16 14 9 16 17 | 18 19 9%13 23 21 20 22 16 20 20 14 9 8 9 4 8 3 2 4 2 10 18 8 18 | 14 15 12 10 16 24 14 22 15 9 17 14 9 6 11 2 4 2 6 8 8 8 13 16 19 | 8 3 7 22 14 22 18 23 10 17 16 4 16 5 4 2 2 2 2 8 9 8 8 13 20 | 18 15 9 15 22 21 22 29 18 20 15 12 6 15 1 7 1 2 3 9 13 15 13 18 21 | 25 19 14 28 21 16 20 20 23 17 9 7 10 13 4 3 3 10 3 4 14 9 20 16 22 | 12 15 8 15 14 17 16 19 14 15 11 10 7 3 5 2 2 7 12 4 12 18 12 10 23 | 10 9 12 16 9 20 20 15 17 15 9 7 11 9 5 0 6 4 4 9 7 17 7 11 24 | 15 13 12 15 17 12 21 22 21 9 13 14 6 9 5 4 7 5 4 3 16 10 11 8 25 | 11 7 16 29 20 17 19 19 15 13 11 11 8 7 7 4 3 2 3 6 9 9 15 17 26 | 14 11 17 22 19 23 20 13 15 16 10 6 6 11 6 3 2 4 9 3 6 12 18 14 27 | 9 22 11 18 29 17 9 21 18 12 10 8 5 4 6 5 5 4 8 9 10 14 19 11 28 | 9 16 16 13 12 14 16 15 15 8 13 9 10 4 7 2 4 4 2 4 7 13 16 15 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 04 | 1 1 05 | 1 06 | 07 | 08 | 1 09 | 10 | 1 1 11 | 1 1 12 | 13 | 1 1 1 14 | 1 15 | 1 16 | 1 17 | 1 1 1 1 18 | 1 19 | 1 20 | 1 21 | 1 22 | 1 23 | 24 | 25 | 26 | 27 | 1 28 | 1 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 116.900 MHz Transmitter Location: Chitose-VOR at Tomakomai city (141.7 E, 42.7 N) VOR Beacon for Air-flight (200W 30Hz AM, 116.900 MHz) Antenna : 8el Yagi. Az:15deg. Horizon Receiver: RTL-SDR Method : by using SpectrumLab software, manual count using MroView (by Kazuhiro Arita) -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | -- -- -- -- -- -- -- -- -- -- 7 8 4 3 1 1 1 1 1 3 6 5 4 6 02 | 3 6 1 6 4 8 4 10 5 7 6 4 3 8 2 4 2 1 1 3 6 1 3 6 03 | 5 4 8 9 4 5 12 8 6 10 6 6 6 3 4 0 3 4 1 2 4 4 5 5 04 | 6 3 3 9 4 14 4 7 4 6 13 9 6 5 2 2 2 3 1 2 1 3 7 4 05 | 5 4 5 8 6 4 10 6 7 9 5 8 6 6 3 5 2 1 3 4 1 3 4 6 06 | 5 3 3 10 9 7 9 8 6 7 3 9 7 8 7 2 3 1 2 7 2 5 3 4 07 | 3 7 7 3 5 6 4 9 5 10 9 5 6 3 6 2 1 2 1 6 5 6 9 5 08 | 6 6 4 9 4 8 9 5 %8 5 9 9 0 1 8 7 3 1 1 3 5 5 6 8 09 | 0 3 9 7 7 4 8 12 7 2 11 8 2 3 6 2 2 1 1 3 3 3 2 5 10 | 3 1 4 10 7 5 7 11 6 7 8 4 4 3 1 3 2 2 0 6 4 3 5 6 11 | 2 1 8 8 8 4 8 6 9 4 9 5 4 4 2 3 3 2 1 1 4 6 7 1 12 | 4 6 7 6 8 9 6 6 7 9 8 4 3 6 8 1 1 1 0 0 6 6 2 9 13 | 10 4 9 4 9 8 5 14 10 8 10 7 4 6 2 4 1 3 2 0 3 10 5 6 14 | 6 5%11 6 4 4 9 6 9 7 3 6 5 2 1 6 2 1 2 8 5 4 3 6 15 | 8 0 1 7 4 6 4 12 6 7 5 6 4 5 5 3 1 4 3 5 6 8 7 5 16 | 4 4 2 6 9 5 5 3 7 8 6 10 6 4 0 6 1 3 2 1 8 6 7 6 17 | 2 4 7 5 5 5 4 8 9 6 10 3 7 6 4 2 0 4 0 1 4 4 6 5 18 | 4 6 1 6 7 7%12 6 6 7 8 5 6 5 2 2 3 0 2 1 4 5 9 10 19 | 3 2 3 5 8 7 12 10 6 10 6 8 7 4 4 4 2 1 1 2 5 5 7 5 20 | 5 2 3 8 5 7 7 10 9 9 7 5 13 4 0 4 0 0 0 2 6 5 6 5 21 | 13 8 3 6 8 6 7 10 9 10 9 9 5 4 1 4 3 3 3 2 3 4 4 4 22 | 7 7 1 9 11 9 7 5 4 8 5 2 4 7 2 2 5 1 3 2 8 7 5 4 23 | 7 4 4 8 8 5 12 6 8 9 8 3 7 4 6 0 1 7 3 1 5 5 1 6 24 | 3 7 3 10 13 5 9 7 10 6 8 6 4 3 3 2 1 4 1 5 4 4 5 7 25 | 8 6 8 6 2 7 3 5 5 5 10 6 4 4 3 4 2 2 2 1 5 4 5 2 26 | 4 2 4 6 7 6 7 10 7 9 7 6 8 5 7 6 2 1 2 1 3 2 4 6 27 | 6 5 5 5 9 8 7 4 6 5 5 9 1 2 4 2 3 1 1 8 2 4 3 4 28 | 1 12 11 8 4 4 2 6 8 6 8 1 4 5 1 5 3 2 1 2 2 4 5 0 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 02 | 03 | 04 | 05 | 1 06 | 1 07 | 1 08 | 09 | 1 10 | 1 11 | 1 12 | 1 13 | 14 | 15 | 16 | 17 | 1 18 | 19 | 20 | 21 | 22 | 1 1 23 | 24 | 25 | 26 | 27 | 1 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer :Matsuda Masahiko Location : Kawaguchi-city SAITAMA JAPAN(139.71E, 35.82N) Frequency: 53.372 MHz Transmitter Location: HAM beacon (JE3AKE) (50W-100W CW, 53.372MHz) Antenna : 2ele HB9CV Ant. 12mH WEST Receiver: ICOM IC-R75 USB -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 0 2 3 0 2 3 2 5 1 0 1 0 0 0 0 0 0 0 1 0 2 2 1 02 | 3 4 0 1 5 2 3 4 4 4 2 1 3 0 0 1 1 1 0 1 1 0 1 0 03 | 4 2 4 1 1 1 1 2 1 2 3 1 1 0 1 1 0 1 1 0 0 1 0 0 04 | 1 0 1 1 2 1 3 7 8 0 2 3 1 0 3 0 0 0 1 2 2 0 2 1 05 | 0 1 6 1 1 1 5 2 7 4 2 1 1 1 0 0 2 0 0 2 1 1 3 2 06 | 0 1 0 0 1 4 1 3 2 4 5 0 1 0 1 0 0 0 2 0 1 1 0 2 07 | 4 0 3 1 0 1 5 4 2 3 2 2 0 3 1 0 0 2 1 0 0 1 1 0 08 | 0 1 0 1 4 3 1 1 1 3 6 0 0 0 4 5 2 2 0 1 2 2 1 0 09 | 1 2 3 3 2 1 4 2 0 0 0 1 2 0 0 1 0 1 2 1 2 1 2 2 10 | 2 2 0 2 2 6 1 2 5 6 3 1 2 0 1 1 1 0 0 2 2 1 1 0 11 | 1 1 3 2 1 0 1 2 1 4 1 3 1 1 0 4 1 0 2 1 1 3 1 2 12 | 0 2 1 3 4 1 5 1 2 2 2 1 0 1 0 1 2 1 1 1 1 2 1 1 13 | 2 0 2 3 3 0 1 1 2 1 2 1 4 4 2 1 0 1 2 0 0 2 0 1 14 | 3 2 2 2 0 0 0 2 0 4 1 1 3 4 1 1 0 0 0 1 1 2 0 2 15 | 0 2 1 2 0 3 1 3 2 0 3 1 0 1 4 0 1 0 1 2 1 1 4 1 16 | 2 3 1 4 0 1 1 1 3 4 1 2 1 1 1 0 0 0 0 0 2 1 0 3 17 | 1 2 1 0 0 2 5 1 0 3 1 0 1 0 1 0 3 0 0 1 0 0 2 1 18 | 0 1 0 1 2 0 1 0 1 1 1 1 1 3 1 1 0 2 4 4 1 0 0 1 19 | 0 0 1 3 0 0 1 5 0 3 1 0 2 2 0 0 0 0 0 1 3 1 2 3 20 | 3 1 2 0 1 2 4 3 1 3 2 3 4 3 1 0 1 0 0 3 5 2 2 2 21 | 2 2 3 1 0 2 2 7 5 5 2 4 2 1 0 2 0 2 1 0 1 1 4 0 22 | 1 1 2 1 0 1 1 3 2 0 3 1 1 1 1 1 0 1 1 0 1 5 2 0 23 | 2 0 1 1 3 0 3 0 1 2 2 1 0 2 0 1 0 1 0 1 1 4 1 5 24 | 4 0 1 1 0 5 3 2 1 3 1 5 1 2 0 0 0 2 5 2 0 0 0 0 25 | 0 0 2 1 1 2 2 1 1 1 0 2 1 1 1 2 1 1 1 1 0 0 1 1 26 | 2 2 2 1 0 0 0 2 0 3 1 1 2 1 0 0 0 0 2 1 2 0 3 1 27 | 0 0 1 0 2 3 2 4 0 1 0 2 1 2 3 1 0 1 2 3 1 1 1 0 28 | 0 1 3 1 2 1 5 0 3 2 1 0 0 0 0 0 0 0 0 0 0 0 1 1 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 1 04 | 1 1 1 05 | 1 1 06 | 07 | 08 | 1 09 | 10 | 1 1 11 | 1 1 12 | 1 13 | 1 1 14 | 1 15 | 1 16 | 1 17 | 1 18 | 19 | 1 20 | 21 | 1 22 | 23 | 1 24 | 25 | 26 | 1 27 | 1 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Nobuo Katsura Location : Iwaki, Fukushima, Japan (37.00 N, 140.50 E) Frequency: 53.100 MHz Transmitter Location: HAM beacon (50W JA2SDA, Toyokawa, Japan) Antenna : 1el. DP Hand Mide 6mH＋RFamp Receiver: SDR 820T2 SDR#　PC HPdc7900　win11 -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 11 8 13 18 8 16 5 9 9 15 13 5 7 10 2 5 4 2 3 3 2 13 8 5 02 | 10 10 7 8 13 6 7 11 7 5 8 14 10 7 5 1 4 4 6 6 6 3 9 9 03 | 6 8 2 7 8 0 4 9 7 3 6 4 8 3 2 1 3 2 1 3 3 3 8 4 04 | 6 2 8 4 7 4 5 3 5 6 6 12 6 5 3 1 3 2 1 5 1 9 5 11 05 | 7 11 12 14 7 9 12 13 15 11 14 11 8 7 2 2 7 2 2 6 8 4 5 11 06 | 4 10 14 12 9 8 11 15 15 13 12 9 7 12 IF 0 3 5 2 5 3 8 6 7 07 | 6 10 5 11 11 11 13 5 18 8 12 12 0 7 1 1 2 3 3 4 4 5 8 5 08 | 4 4 7 10 9 5 16 8 11 13 14 10 3 3 1 3 4 5 4 8 3 10 6 3 09 | 6 10 16 14 9 3 11 13 13 14 5 9 10 9 3 5 2 3 3 0 3 2 6 10 10 | 7 2 9 8 9 9 5 13 21 15 9 3 17 8 9 4 3 0 3 2 5 7 3 4 11 | 5 8 12 6 10 8 17 16 12 20 8 5 15 4 6 4 4 4 3 2 7 6 7 6 12 | 10 8 9 14 12 12 7 14 4 10 17 10 2 2 8 3 4 2 1 5 3 4 2 3 13 | 8 7 9 9 13 9 8 11 13 12 12 10 6 8 4 4 5 3 3 8 6 8 9 3 14 | 11 8 9 11 12 7 6 17 13 18 20 18 3 9 7 9 2 4 2 6 7 8 9 10 15 | 5 7 10 13 11 8 5 11 8 15 16 15 12 8 6 3 2 4 1 7 4 12 13 7 16 | 13 11 18 5 17 8 17 8 14 7 22 15 9 7 5 2 4 3 0 4 3 9 6 8 17 | 9 20 14 11 12 9 15 15 17 21 15 9 9 7 3 2 2 1 10 1 8 8 11 8 18 | 6 5 17 8 17 9 9 11 19 10 7 10 10 10 5 1 5 0 4 3 4 11 9 13 19 | 16 10 12 14 10 6 9 10 20 19 7 11 8 5 4 3 4 4 3 4 9 5 6 6 20 | 7 8 9 12 6 7 10 17 12 9 12 7 4 8 5 8 2 2 4 4 1 5 5 10 21 | 7 8 10 6 8 6 9 13 11 8 10 12 9 9 7 5 0 2 4 5 8 3 7 6 22 | 9 3 14 3 6 13 7 15 4 19 11 10 11 8 9 5 3 1 3 5 6 3 8 12 23 | 5 9 9 7 10 1 9 8 10 14 12 7 6 12 6 4 4 4 7 3 7 6 7 4 24 | 9 9 19 14 14 6 9 22 16 18 7 4 15 7 6 8 6 1 1 4 5 3 6 10 25 | 7 13 7 17 15 12 15 17 7 20 8 13 7 12 4 4 5 3 1 5 2 3 5 9 26 | 9 11 11 5 9 5 16 13 5 6 9 4 4 4 4 3 2 2 2 1 5 11 7 10 27 | 12 11 20 8 11 14 10 13 18 11 7 10 5 6 5 1 3 4 4 0 5 7 7 4 28 | 7 18 8 6 15 14 15 12 10 12 6 4 7 2 4 3 0 1 2 1 6 4 4 6 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 2 1 1 1 02 | 1 1 1 03 | 1 1 04 | 1 2 1 05 | 1 1 1 1 1 06 | 1 1 1 1 2 1 1 2 1 07 | 1 2 1 1 2 08 | 1 1 1 1 09 | 1 1 1 10 | 1 1 1 2 1 11 | 1 2 1 2 1 12 | 1 1 2 1 1 13 | 2 1 1 1 14 | 1 1 1 1 15 | 1 2 1 1 16 | 3 3 3 1 1 1 17 | 1 1 18 | 2 3 19 | 1 2 1 1 20 | 2 1 1 21 | 1 1 1 1 1 22 | 1 1 23 | 2 2 1 1 24 | 1 1 3 1 1 25 | 3 1 1 1 2 1 26 | 1 1 2 1 27 | 1 2 2 1 1 1 28 | 1 1 1 2 1 1 29 | 30 | 31 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Hiroshi Suzuki Location : Soma, Fukushima, Japan (37.79 N, 140.98 E) Frequency: 52.905 MHz --> 52.490MHz Transmitter Location:　 HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan | --> HAM beacon (50 W CW, 52.490 MHz), Tachikawa, Tokyo, Japan Antenna : HB9CV (3el.) horizon, dir: south Receiver: RTL-SDR Method : by using HROFFT software (by Kazuhiko Ohkawa) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 3 | 4 | 5 | 0 | 2 | 3 | 1 | 2 | 3 | 3 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 3 | 1 | 0 | 1 | 2 | 1 | 0 | 02 | 0 | 1 | 2 | 6 | 0 | 3 | 3 | 5 | 3 | 2 | 3 | 0 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 | 1 | 03 | 3 | 1 | 2 | 4 | 4 | 4 | 2 | 1 | 2 | 3 | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 04 | 1 | 0 | 2 | 0 | 1 | 3 | 1 | 0 | 2 | 2 | 1 | 1 | 2 | 4 | 1 | 1 | 1 | 0 | 2 | 3 | 2 | 1 | 0 | 0 | 05 | 2 | 1 | 2 | 2 | 0 | 2 | 1 | 4 | 2 | 5 | 1 | 2 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 2 | 1 | 06 | 2 | 0 | 2 | 1 | 2 | 0 | 1 | 4 | 1 | 0 | 3 | 1 | 1 | 0 | 0 | 4 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 07 | 10 | 10 | 7 | 10 | 6 | 9 | 5 | 7 | 8 | 7 | 4 | 4 | 3 | 2 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 08 | 1 | 2 | 0 | 1 | 2 | 2 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 1 | 1 | 3 | 3 | 5 | 4 | 09 | 8 | 10 | 5 | 11 | 6 | 6 | 10 | 8 | 10 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 2 | 5 | 3 | 4 | 10 | 5 | 8 | 7 | 4 | 5 | 6 | 6 | 11 | 9 | 9 | 4 | 5 | 3 | 2 | 4 | 1 | 4 | 4 | 2 | 6 | 1 | 4 | 2 | 2 | 11 | 4 | 6 | 9 | 6 | 5 | 5 | 7 | 7 | 2 | 5 | 3 | 3 | 3 | 8 | 3 | 3 | 1 | 2 | 4 | 6 | 2 | 4 | 3 | 6 | 12 | 4 | 5 | 7 | 6 | 6 | 5 | 7 | 8 | 9 | 5 | 6 | 6 | 6 | 8 | 9 | 3 | 9 | 5 | 1 | 2 | 0 | 2 | 6 | 8 | 13 | 4 | 3 | 3 | 9 | 5 | 8 | 8 | 2 | 14 | 5 | 9 | 3 | 9 | 6 | 3 | 4 | 3 | 3 | 3 | 4 | 3 | 4 | 1 | 4 | 14 | 5 | 5 | 1 | 3 | 6 | 4 | 1 | 3 | 5 | 8 | 6 | 3 | 7 | 3 | 7 | 2 | 4 | 1 | 7 | 3 | 0 | 1 | 2 | 7 | 15 | 6 | 8 | 7 | 5 | 6 | 8 | 6 | 14 | 9 | 6 | 6 | 0 | 4 | 0 | 1 | 2 | 1 | 1 | 2 | 1 | 2 | 2 | 2 | 4 | 16 | 5 | 7 | 4 | 5 | 7 | 5 | 5 | 5 | 8 | 9 | 12 | 12 | 9 | 6 | 2 | 2 | 4 | 1 | 1 | 3 | 1 | 3 | 2 | 10 | 17 | 4 | 9 | 8 | 11 | 8 | 3 | 11 | 4 | 10 | 12 | 8 | 2 | 5 | 4 | 6 | 3 | 4 | 1 | 3 | 1 | 1 | 2 | 2 | 8 | 18 | 6 | 11 | 7 | 0 | 3 | 6 | 6 | 4 | 5 | 6 | 2 | 1 | 9 | 7 | 7 | 4 | 2 | 3 | 2 | 5 | 2 | 1 | 6 | 6 | 19 | 5 | 5 | 1 | 7 | 8 | 5 | 6 | 9 | 7 | 5 | 8 | 3 | 7 | 4 | 4 | 0 | 2 | 2 | 3 | 3 | 3 | 3 | 1 | 6 | 20 | 5 | 5 | 1 | 6 | 6 | 3 | 6 | 12 | 9 | 8 | 10 | 8 | 5 | 4 | 2 | 3 | 2 | 2 | 2 | 1 | 1 | 3 | 2 | 3 | 21 | 9 | 12 | 8 | 8 | 14 | 12 | 3 | 6 | 8 | 8 | 11 | 6 | 1 | 6 | 8 | 2 | 3 | 1 | 2 | 2 | 2 | 6 | 8 | 3 | 22 | 3 | 3 | 5 | 3 | 3 | 5 | 3 | 9 | 6 | 4 | 6 | 8 | 0 | 8 | 1 | 1 | 1 | 0 | 2 | 6 | 4 | 4 | 3 | 6 | 23 | 5 | 5 | 5 | 3 | 5 | 10 | 4 | 15 | 10 | 6 | 8 | 4 | 6 | 7 | 5 | 1 | 2 | 2 | 2 | 3 | 1 | 1 | 6 | 3 | 24 | 2 | 2 | 4 | 11 | 3 | 6 | 3 | 2 | 12 | 1 | 9 | 7 | 5 | 8 | 5 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 5 | 8 | 25 | 9 | 7 | 2 | 3 | 2 | 3 | 3 | 2 | 3 | 2 | 4 | 0 | 2 | 2 | 3 | 1 | 1 | 2 | 0 | 1 | 2 | 5 | 1 | 0 | 26 | 3 | 5 | 3 | 4 | 3 | 7 | 3 | 4 | 9 | 3 | 5 | 1 | 3 | 1 | 2 | 0 | 1 | 1 | 1 | 2 | 3 | 1 | 3 | 4 | 27 | 5 | 2 | 2 | 2 | 8 | 5 | 8 | 8 | 12 | 8 | 2 | 5 | 3 | 1 | 3 | 1 | 1 | 1 | 1 | 0 | 2 | 4 | 4 | 8 | 28 | 10 | 7 | 5 | 8 | 4 | 4 | 4 | 10 | 3 | 11 | 3 | 1 | 6 | 8 | 2 | 6 | 5 | 2 | 2 | 1 | 5 | 5 | 4 | 4 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer: Hironbu Shida Location: Akita, Akita, Japan (140.1 E, 39.4 N) Frequency: 52.905 MHz Transmitter Location: HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan Antenna : HB062FDX Receiver : SDR# Method : by using HROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 5 | 7 | 16 | 13 | 10 | 23 | 10 | 12 | 8 | 12 | 11 | 8 | 10 | 18 | 7 | 9 | 5 | 2 | 1 | 5 | 5 | 3 | 6 | 3 | 02 | 3 | 7 | 1 | 4 | 6 | 6 | 9 | 11 | 14 | 4 | 5 | 5 | 9 | 5 | 3 | 3 | 2 | 1 | 1 | 2 | 2 | 4 | 2 | 3 | 03 | 2 | 2 | 1 | 0 | 2 | 2 | 4 | 5 | 6 | 1 | 4 | 2 | 2 | 4 | 3 | 0 | 2 | 1 | 1 | 0 | 2 | 4 | 7 | 1 | 04 | 2 | 3 | 5 | 1 | 2 | 2 | 3 | 3 | 2 | 1 | 4 | 1 | 3 | 2 | 0 | 2 | 1 | 1 | 1 | 2 | 1 | 0 | 3 | 3 | 05 | 0 | 3 | 5 | 2 | 5 | 2 | 5 | 6 | 4 | 11 | 5 | 6 | 3 | 0 | 0 | 3 | 1 | 0 | 1 | 1 | 7 | 5 | 6 | 7 | 06 | 8 | 6 | 9 | 9 | 11 | 8 | 19 | 27 | 9 | 14 | 14 | 4 | 3 | 9 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 7 | 3 | 0 | 07 | 2 | 2 | 5 | 8 | 3 | 6 | 0 | 2 | 6 | 12 | 6 | 5 | 10 | 9 | 11 | 4 | 1 | 0 | 0 | 0 | 5 | 4 | 11 | 18 | 08 | 4 | 2 | 3 | 0 | 4 | 0 | 4 | 0 | 0 | 9 | 5 | 16 | 16 | 6 | 9 | 8 | 5 | 0 | 2 | 8 | 12 | 6 | 20 | 9 | 09 | 3 | 1 | 1 | 1 | 0 | 0 | 6 | 0 | 14 | 11 | 5 | 4 | 7 | 3 | 6 | 5 | 7 | 3 | 9 | 10 | 6 | 12 | 13 | 8 | 10 | 14 | 9 | 9 | 14 | 3 | 24 | 20 | 12 | 17 | 12 | 7 | 11 | 2 | 8 | 5 | 6 | 12 | 10 | 2 | 6 | 10 | 12 | 12 | 10 | 11 | 9 | 3 | 9 | 13 | 24 | 16 | 15 | 13 | 15 | 15 | 8 | 4 | 4 | 9 | 11 | 3 | 3 | 2 | 2 | 9 | 6 | 13 | 15 | 9 | 12 | 14 | 8 | 19 | 12 | 12 | 16 | 17 | 10 | 17 | 10 | 18 | 11 | 9 | 7 | 10 | 6 | 9 | 9 | 10 | 7 | 10 | 14 | 13 | 6 | 13 | 10 | 15 | 6 | 17 | 10 | 20 | 24 | 21 | 11 | 10 | 16 | 13 | 5 | 11 | 6 | 4 | 6 | 2 | 7 | 16 | 12 | 7 | 3 | 13 | 14 | 13 | 9 | 6 | 12 | 15 | 13 | 16 | 20 | 14 | 10 | 15 | 10 | 8 | 9 | 10 | 7 | 7 | 3 | 0 | 7 | 13 | 12 | 6 | 12 | 15 | 8 | 11 | 15 | 0 | 1 | 13 | 14 | 21 | 18 | 16 | 20 | 5 | 8 | 9 | 0 | 6 | 8 | 4 | 7 | 8 | 12 | 15 | 8 | 14 | 16 | 16 | 11 | 11 | 14 | 10 | 12 | 22 | 22 | 16 | 15 | 21 | 10 | 9 | 11 | 11 | 6 | 4 | 3 | 7 | 7 | 11 | 6 | 8 | 6 | 17 | 5 | 13 | 10 | 14 | 15 | 22 | 18 | 12 | 16 | 14 | 20 | 11 | 13 | 10 | 5 | 3 | 2 | 6 | 1 | 7 | 9 | 15 | 13 | 10 | 18 | 7 | 12 | 4 | 13 | 15 | 26 | 29 | 12 | 8 | 9 | 11 | 13 | 11 | 4 | 1 | 3 | 3 | 3 | 13 | 11 | 23 | 11 | 10 | 13 | 19 | 14 | 11 | 22 | 9 | 14 | 12 | 19 | 13 | 16 | 20 | 9 | 8 | 18 | 6 | 1 | 1 | 0 | 2 | 4 | 12 | 14 | 15 | 9 | 14 | 20 | 5 | 9 | 13 | 23 | 24 | 22 | 26 | 19 | 7 | 5 | 9 | 11 | 8 | 7 | 3 | 0 | 6 | 0 | 1 | 3 | 3 | 7 | 11 | 6 | 21 | 8 | 6 | 10 | 6 | 8 | 7 | 6 | 12 | 15 | 5 | 8 | 0 | 4 | 8 | 6 | 8 | 2 | 3 | 3 | 7 | 6 | 3 | 7 | 8 | 22 | 13 | 4 | 6 | 7 | 8 | 9 | 9 | 15 | 9 | 9 | 11 | 3 | 8 | 4 | 4 | 6 | 5 | 2 | 5 | 12 | 11 | 13 | 6 | 6 | 23 | 12 | 12 | 12 | 9 | 11 | 15 | 15 | 15 | 16 | 13 | 9 | 14 | 12 | 7 | 9 | 7 | 3 | 3 | 5 | 12 | 10 | 16 | 11 | 10 | 24 | 4 | 10 | 7 | 17 | 18 | 17 | 15 | 18 | 6 | 3 | 2 | 6 | 16 | 12 | 2 | 5 | 6 | 6 | 3 | 11 | 7 | 7 | 7 | 11 | 25 | 7 | 6 | 10 | 0 | 20 | 9 | 7 | 18 | 5 | 13 | 9 | 11 | 5 | 8 | 9 | 4 | 1 | 3 | 2 | 8 | 13 | 9 | 14 | 8 | 26 | 13 | 4 | 22 | 12 | 11 | 18 | 18 | 7 | 20 | 3 | 2 | 8 | 9 | 6 | 4 | 4 | 3 | 7 | 3 | 10 | 9 | 10 | 6 | 8 | 27 | 9 | 11 | 13 | 13 | 15 | 14 | 10 | 20 | 13 | 7 | 7 | 3 | 4 | 5 | 4 | 6 | 3 | 1 | 3 | 7 | 12 | 6 | 2 | 5 | 28 | 10 | 10 | 10 | 9 | 5 | 7 | 16 | 10 | 8 | 10 | 2 | 4 | 18 | 12 | 5 | 12 | 4 | 5 | 5 | 8 | 8 | 13 | 11 | 14 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening ----------------------------------------------------------------------------- Observer : Hirotaka Otsuka Location : Hirakata, Osaka, Japan (135.7 E, 34.9 N) Frequency: 53.100 MHz Antenna : 2el-HB9CV, 4mH (90-270 Azimuth(East-West), 90elevation) Transmitter Location:　 HAM beacon (JA2SDA 50 W CW, 53.100 MHz), Toyokawa, Aichi, Japan Reciever: YAESU FT-690 53.099MHz(Toyokawa), USB Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 0 | 0 | 0 | 4 | 1 | 1 | 0 | 0 |Jan 01 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 2 | 02 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 03 | 1 | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 1 | 3 | 04 | 1 | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 05 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 2 | 0 | 06 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 07 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | 2 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 8 | 1 | 1 | 0 | 0 | 08 | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 2 | 3 | 2 | 2 | 4 | 1 | 2 | 1 | 09 | 2 | 4 | 4 | 2 | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 10 | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 3 | 0 | 0 | 1 | 1 | 11 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 2 | 3 | 1 | 0 | 0 | 0 | 12 | 1 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 13 | 0 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 14 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 15 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 16 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 2 | 0 | 1 | 1 | 0 | 1 | 1 | 17 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 3 | 3 | 1 | 4 | 1 | 3 | 0 | 18 | 1 | 3 | 3 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 2 | 0 | 1 | 1 | 3 | 19 | 2 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 0 | 3 | 2 | 5 | 4 | 0 | 1 | 3 | 0 | 20 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 1 | 8 | 2 | 2 | 3 | 21 | 1 | 2 | 1 | 1 | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 0 | 1 | 22 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 0 | 1 | 1 | 0 | 1 | 23 | 1 | 2 | 1 | 2 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 4 | 0 | 3 | 1 | 24 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 0 | 25 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 2 | 1 | 1 | 1 | 26 | 0 | 0 | 3 | 2 | 1 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 3 | 2 | 1 | 0 | 2 | 0 | 27 | 2 | 3 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 3 | 3 | 1 | 0 | 0 | 28 | 2 | 2 | 1 | 2 | 0 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 04 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening ----------------------------------------------------------------------------- Observer: Norihiro Nakamura Location: Tsukuba, Ibaraki, Japan (140.1 E, 36.0 N) Frequency: 52.905 MHz Transmitter Location:　 HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan Antenna : Dipole Receiver : YAESU FT-817 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | 7 | 2 | 8 | 2 | 11 | 1 | 1 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 2 | 2 | 3 | 4 | 4 | 5 | 6 | 6 | 2 | 2 | 2 | 02 | 1 | 3 | 0 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 8 | 5 | 5 | 0 | 1 | 0 | 3 | 03 | 2 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 6 | 2 | 4 | 2 | 3 | 2 | 3 | 04 | 3 | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 1 | 4 | 1 | 5 | 10 | 4 | 3 | 0 | 0 | 1 | 05 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 5 | 8 | 2 | 9 | 1 | 2 | 1 | 0 | 06 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 2 | 5 | 8 | 1 | 9 | 9 | 5 | 7 | 4 | 07 | 3 | 3 | 1 | 0 | 1 | 1 | 1 | 0 | 2 | 1 | 1 | 2 | 0 | 2 | 1 | 2 | 5 | 2 | 8 | 6 | 9 | 3 | 2 | 1 | 08 | 4 | 6 | 6 | 1 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 6 | 3 | 4 | 5 | 6 | 2 | 1 | 2 | 09 | 0 | 1 | 1 | 2 | 0 | 3 | 1 | 2 | 1 | 1 | 0 | 1 | 1 | 6 | 4 | 3 | 1 | 7 | 5 | 9 | 4 | 6 | 0 | 0 | 10 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 4 | 5 | 7 | 10 | 3 | 8 | 6 | 2 | 11 | 3 | 1 | 1 | 0 | 1 | 2 | 3 | 1 | 2 | 0 | 0 | 1 | 3 | 1 | 2 | 5 | 4 | 7 | 4 | 8 | 5 | 3 | 3 | 0 | 12 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 4 | 8 | 10 | 15 | 15 | 9 | 8 | 7 | 0 | 2 | 13 | 1 | 0 | 0 | 0 | 0 | 4 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 6 | 5 | 3 | 9 |??? |??? |??? |??? |??? |??? | 14 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 7 | 2 | 5 | 8 | 2 | 2 | 0 | 2 | 0 | 15 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 6 | 7 | 7 | 5 | 6 | 5 | 9 | 2 | 5 | 16 | 1 | 0 | 1 | 1 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 4 | 4 | 10 | 10 | 6 | 5 | 4 | 5 | 3 | 5 | 17 | 4 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 3 | 3 | 7 | 7 | 6 | 5 | 3 | 0 | 3 | 18 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 2 | 3 | 4 | 3 | 1 | 4 | 2 | 3 | 3 | 19 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 2 | 2 | 5 | 4 | 4 | 3 | 7 | 5 | 6 | 1 | 4 | 1 | 20 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 2 | 1 | 4 | 0 | 4 | 2 | 3 | 4 | 0 | 21 | 2 | 1 | 3 | 2 | 1 | 0 | 1 | 1 | 2 | 0 | 2 | 1 | 0 | 1 | 1 | 2 | 1 | 2 | 3 | 6 | 1 | 5 | 4 | 2 | 22 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 3 | 3 | 1 | 8 | 2 | 4 | 2 | 1 | 23 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 3 | 0 | 3 | 5 | 1 | 2 | 1 | 4 | 2 | 24 | 3 | 4 | 2 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 1 | 3 | 5 | 7 | 3 | 3 | 1 | 0 | 0 | 25 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 1 | 1 | 0 | 26 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 4 | 3 | 2 | 12 | 11 | 6 | 4 | 1 | 1 | 27 | 0 | 1 | 2 | 1 | 2 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 4 | 1 | 2 | 4 | 5 | 3 | 3 | 2 | 1 | 0 | 28 | ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? | 14 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ???| ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening ----------------------------------------------------------------------------- Observer : Yoshikawa Yasufumi/JG2MLI Location : Nagoya Aichi-pref. JAPAN (136.90E, 35.20N) Frequency: 52.905 MHz Transmitter Location: HAM Beacon/JJ1RLQ(Higashi-murayama Tokyo, Japan) Antenna : -Apr.6: 8mH 2el. HB9CV Horizontal:ENE Apr.6-: 8mH 3el. Yagi Receiver: SMArt RTL-SDR V5 + HDSDR Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 3 | 1 |Jan 01 | 1 | 1 | 6 | 10 | 3 | 6 | 2 | 0 | 0 | 2 | NS | 0 | NS |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 02 | 2 | 11 | 9 | 5 | 3 | 0 | NS | 2 | NS | NS | 2 | NS | NS | NS | 3 | 0 | 7 | 6 | 8 | 9 | 7 | 5 | NS | 4 | 03 | 4 | 5 | 7 | 6 | 4 | 3 | 2 | 1 | NS | NS | NS | NS | NS | NS | NS | 1 | 2 | 3 | 7 | 5 | 1 | 6 | NS | 2 | 04 | 6 | 3 | 5 | 5 | NS | 4 | 0 | 2 | NS | NS | 2 | NS | NS | NS | 0 | 5 | 7 | 9 | 5 | 4 | 1 | 8 | 4 | 8 | 05 | 6 | 5 | 5 | 5 | 4 | 1 | 4 | 2 | NS | NS | NS | NS | NS | NS | 0 | 3 | 6 | 7 | 3 | 4 | 4 | 8 | 6 | 7 | 06 | 5 | 4 | 1 | 9 | 2 | 1 | 1 | 1 | NS | NS | 0 | NS | NS | NS | NS | 1 | 7 | 3 | 4 | 3 | 5 | 4 | 8 | 14 | 07 | 6 | 4 | 7 | 6 | 6 | 2 | 1 | 0 | NS | NS | NS | NS | NS | NS | 3 | 2 | 4 | 12 | 4 | 3 | 6 | 4 | 5 | 5 | 08 | 8 | 4 | 6 | 7 | 3 | 7 | 2 | NS | NS | NS | NS | NS | NS | NS | 1 | 5 | 5 | 8 | 6 | 6 | 7 | 5 | NS | 6 | 09 | 6 | 3 | 8 | 4 | 8 | 1 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 3 | 1 | 8 | 6 | 5 | 6 | 3 | 4 | 6 | 10 | 5 | 5 | 4 | 4 | 4 | 5 | NS | 1 | NS | NS | NS | NS | NS | NS | 4 | 3 | 3 | 6 | 3 | 8 | 5 | NS | 2 | 9 | 11 | 8 | 5 | 15 | 9 | 8 | 2 | 5 | 0 | NS | NS | 1 | 1 | 2 | 0 | 5 | 5 | 2 | 5 | 5 | 9 | 3 | 8 | 13 | 7 | 12 | 4 | 5 | 5 | 5 | 6 | 1 | 1 | 1 | NS | NS | 0 | 1 | 2 | 4 | 4 | 2 | 2 | 2 | 6 | 6 | 2 | 2 | 4 | 7 | 13 | 4 | 3 | 12 | 14 | 8 | 2 | 1 | 3 | NS | 2 | 0 | 0 | 0 | 1 | 3 | 3 | 6 | 9 | 7 | 8 | 3 | 3 | 10 | 5 | 14 | 6 | 8 | 0 | NS | 11 | NS | 1 | 2 | NS | NS | NS | 0 | 1 | 1 | 0 | 1 | 2 | 3 | 5 | 1 | 0 | 2 | 4 | 4 | 15 | 5 | 4 | 7 | 3 | 4 | IF | NS | IF | NS | NS | NS | 0 | 1 | 2 | 1 | 3 | 3 | 7 | 3 | 3 | 7 | 2 | 10 | 8 | 16 | 6 | 15 | 3 | 3 | 3 | 2 | 3 | 1 | 2 | 1 | NS | NS | NS | NS | 2 | 2 | 1 | 3 | 3 | 4 | 5 | 4 | 4 | 2 | 17 | 2 | 8 | 5 | 11 | 3 | 2 | 2 | 4 | NS | NS | NS | NS | NS | 4 | 2 | 2 | 1 | 5 | 2 | 4 | 2 | 6 | 1 | 9 | 18 | 5 | 4 | 7 | 6 | 4 | 2 | 1 | 2 | 1 | NS | NS | 1 | 1 | 2 | 5 | 5 | 5 | 3 | 7 | 4 | 1 | 5 | NS | 5 | 19 | 10 | 7 | 3 | 10 | 8 | 1 | 1 | 2 | NS | NS | NS | NS | NS | 0 | 5 | 3 | 4 | 9 | 7 | 7 | 5 | 8 | 5 | 5 | 20 | 6 | 8 | 8 | 7 | 4 | 4 | 2 | 0 | NS | NS | 3 | 2 | 2 | 0 | 3 | 4 | 6 | 7 | 5 | 10 | 6 | 6 | 9 | 11 | 21 | 3 | 7 | 3 | 9 | 4 | 4 | 2 | 0 | NS | NS | 0 | 3 | 0 | 7 | 0 | 2 | 5 | 2 | 3 | 4 | 2 | 2 | NS | 4 | 22 | 5 | NS | NS | NS | 2 | 1 | 4 | 1 | NS | 0 | 0 | 0 | 1 | 0 | 3 | 2 | 3 | 1 | 5 | 3 | 1 | 1 | 4 | 4 | 23 | 3 | 8 | NS | 2 | 2 | NS | 0 | 1 | NS | NS | NS | 1 | 2 | 1 | 4 | 0 | 2 | 6 | 4 | 4 | 2 | NS | 2 | 2 | 24 | 3 | 11 | 0 | 8 | 4 | NS | 3 | 0 | 0 | NS | 1 | 1 | 0 | 4 | 0 | 2 | 3 | 6 | 2 | 2 | NS | NS | 3 | 3 | 25 | 1 | 6 | 1 | 4 | 4 | 5 | 1 | 3 | NS | 0 | 1 | 0 | 2 | 1 | 1 | 6 | 4 | 2 | 4 | 3 | 5 | NS | 1 | NS | 26 | NS | 0 | 4 | NS | 3 | 1 | 0 | 2 | 0 | NS | 0 | 5 | 2 | 4 | 1 | 2 | 7 | 4 | 3 | 4 | 1 | 1 | 4 | 3 | 27 | 5 | 6 | 6 | 3 | 5 | 6 | 2 | 1 | 2 | 2 | NS | 3 | 0 | 1 | 0 | NS | 4 | 5 | 4 | 0 | 0 | 5 | 0 | 4 | 28 | 4 | NS | 5 | 1 | 4 | 1 | 0 | 3 | NS | NS | NS | 3 | 1 | 1 | 2 | 7 | 7 | 0 | 5 | 2 | 5 | 8 |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | NS |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | NS | NS | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 04 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | NS | NS | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 11 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 14 | 0 | 0 | 0 | NS | 0 | NS | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | IF | NS | IF | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 22 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 23 | 0 | 0 | NS | 0 | 0 | NS | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | NS | 26 | NS | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 28 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening ----------------------------------------------------------------------------- Observer: Koichiro Okuno/JI3EMB Location: Habikino, Osaka, Japan (34.3 N, 135.4 E) Frequency: 52.905 MHz　(Mode:LSB) Transmitter Location:　 HAM beacon (JJ1RLQ 50 W CW, 52.905 MHz), Tachikawa, Tokyo, Japan Antenna : GP (DIAMOND CP-6) 7mH Receiver : R820T2 & SDR + TCXO (HDSDR) Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 0 | 3 | 5 | 4 | 2 | 3 | 3 |Jan 01 | 2 | 6 | 1 | 4 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 2 | 0 | 1 | 5 | 2 | 3 | 2 | 2 | 5 | 1 | 2 | 2 | 3 | 02 | 1 | 4 | 2 | 3 | 1 | 1 | 1 | 0 | 1 | 0 | 2 | 2 | 0 | 2 | 1 | 6 | 2 | 3 | 3 | 4 | 2 | 3 | 3 | 5 | 03 | 3 | 0 | 1 | 2 | 3 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 4 | 0 | 1 | 4 | 4 | 2 | 2 | 4 | 3 | 04 | 2 | 0 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 2 | 2 | 0 | 1 | 2 | 5 | 5 | 2 | 05 | 4 | 0 | 5 | 4 | 5 | 1 | 0 | 0 | 4 | 0 | 2 | 1 | 1 | 1 | 0 | 3 | 0 | 2 | 4 | 2 | 2 | 2 | 3 | 2 | 06 | 0 | 3 | 2 | 3 | 1 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 3 | 07 | 3 | 3 | 3 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 4 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 08 | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 3 | 2 | 1 | 0 | 1 | 4 | 2 | 2 | 2 | 3 | 4 | 1 | 3 | 3 | 3 | 3 | 09 | 2 | 1 | 0 | 3 | 2 | 2 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 3 | 3 | 0 | 2 | 1 | 3 | 2 | 3 | 0 | 1 | 4 | 10 | 2 | 1 | 1 | 1 | 1 | 4 | 2 | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 4 | 11 | 4 | 5 | 1 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 0 | 2 | 0 | 1 | 2 | 3 | 3 | 5 | 8 | 1 | 2 | 12 | 4 | 4 | 2 | 1 | 4 | 2 | 1 | 2 | 2 | 1 | 2 | 3 | 0 | 5 | 2 | 1 | 1 | 1 | 3 | 0 | 2 | 2 | 3 | 0 | 13 | 6 | 1 | 4 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 3 | 1 | 2 | 0 | 1 | 4 | 1 | 3 | 2 | 0 | 5 | 7 | 14 | 3 | 4 | 1 | 2 | 0 | 0 | 0 | 2 | 1 | 2 | 0 | 2 | 1 | 1 | 1 | 2 | 0 | 3 | 2 | 5 | 5 | 3 | 1 | 3 | 15 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 2 | 4 | 3 | 0 | 0 | 2 | 16 | 0 | 2 | 1 | 1 | 1 | 2 | 0 | 2 | 1 | 0 | 2 | 0 | 1 | 0 | 2 | 5 | 4 | 3 | 2 | 1 | 3 | 3 | 2 | 0 | 17 | 0 | 3 | 4 | 3 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 2 | 1 | 1 | 2 | 3 | 2 | 2 | 1 | 1 | 3 | 1 | 0 | 18 | 1 | 2 | 2 | 3 | 3 | 3 | 1 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 2 | 3 | 1 | 1 | 2 | 2 | 3 | 1 | 2 | 1 | 19 | 1 | 2 | 0 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 2 | 1 | 2 | 2 | 3 | 0 | 0 | 4 | 2 | 3 | 1 | 2 | 2 | 3 | 20 | 3 | 2 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 4 | 0 | 2 | 1 | 3 | 3 | 2 | 1 | 1 | 3 | 7 | 3 | 21 | 3 | 0 | 1 | 1 | 1 | 2 | 0 | 3 | 1 | 1 | 2 | 3 | 2 | 1 | 3 | 2 | 1 | 0 | 2 | 0 | 2 | 4 | 3 | 0 | 22 | 2 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 4 | 1 | 1 | 1 | 1 | 2 | 23 | 2 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 4 | 0 | 0 | 3 | 0 | 2 | 2 | 2 | 1 | 1 | 24 | 4 | 5 | 1 | 4 | 1 | 2 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 3 | 2 | 1 | 0 | 2 | 25 | 0 | 4 | 0 | 2 | 1 | 2 | 1 | 0 | 1 | 2 | 1 | 0 | 2 | 2 | 0 | 2 | 2 | 0 | 1 | 1 | 1 | 2 | 3 | 2 | 26 | 2 | 2 | 0 | 1 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 1 | 4 | 2 | 1 | 4 | 4 | 27 | 2 | 6 | 2 | 2 | 3 | 3 | 1 | 1 | 5 | 0 | 2 | 4 | 0 | 1 | 0 | 1 | 4 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 28 | 2 | 4 | 2 | 3 | 1 | 1 | 2 | 2 | 0 | 1 | 4 | 1 | 1 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening ----------------------------------------------------------------------------- Observer : Mai Wakita /JS2JAQ Location : Ichinomiya Aichi-pref. JAPAN (136.81E, 35.34N) Frequency: 50.017 MHz Transmitter Location: HAM Beacon/JA6YBR/b(Miyazaki Miyazaki, Japan) Antenna : 5mH 2el.HB9CV Horizontal:WSW Receiver: SMArt RTL-SDR V5 + HDSDR Method : by using MROFFT software (by Michinari Yamamoto), manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | NS | NS | NS | NS | NS | NS | NS | NS |Jan. 01 | NS | 10 | NS | NS | NS | NS | 5 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | NS | NS | NS | NS | 14 | NS | 8 | NS | 02 | NS | NS | NS | 14 | 0 | NS | 2 | NS | 6 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 8 | 6 | NS | NS | NS | 03 | NS | NS | NS | 5 | 4 | 11 | 0 | 0 | 2 | 1 | NS | NS | NS | NS | 3 | 1 | 2 | 2 | 3 | 5 | 4 | NS | 9 | 5 | 04 | 2 | 8 | 3 | 3 | 4 | 3 | 2 | 1 | 2 | 0 | NS | NS | NS | NS | NS | NS | 1 | 0 | 2 | 1 | 0 | NS | 1 | 2 | 05 | 2 | 11 | 5 | 3 | 2 | 0 | 2 | 1 | NS | NS | NS | NS | NS | NS | NS | 2 | 4 | 2 | 1 | 2 | 7 | NS | NS | NS | 06 | NS | 4 | 4 | 2 | 3 | 2 | 0 | 4 | 3 | 1 | NS | NS | 1 | 1 | 4 | 0 | 2 | NS | NS | NS | NS | 2 | 6 | NS | 07 | NS | 0 | NS | NS | NS | 2 | NS | NS | NS | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | 2 | 6 | 8 | 4 | 7 | 3 | 08 | 8 | 5 | 12 | 6 | NS | NS | 5 | 2 | 0 | 0 | NS | NS | 2 | 5 | 2 | 3 | 0 | 2 | 3 | 4 | 5 | NS | 3 | 6 | 09 | 5 | 7 | 2 | 2 | 1 | 0 | 1 | 1 | 2 | NS | NS | 2 | 0 | 2 | 2 | 3 | 0 | 0 | 1 | 2 | 5 | NS | 5 | 3 | 10 | 4 | 4 | 4 | 5 | 1 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 3 | 1 | 5 | 3 | 6 | 2 | NS | 4 | 5 | 11 | 9 | 6 | 4 | 2 | 2 | 1 | 0 | NS | 8 | NS | NS | NS | NS | NS | 2 | 2 | 3 | 3 | 6 | 4 | 2 | 5 | 3 | 3 | 12 | 1 | 3 | 4 | 5 | NS | 2 | 1 | 0 | 0 | 0 | 1 | 2 | 8 | 0 | 1 | 2 | 2 | 0 | 0 | 3 | 0 | NS | 4 | 5 | 13 | 2 | 8 | 4 | 1 | 2 | 1 | 1 | 2 | NS | NS | NS | NS | NS | NS | NS | NS | 1 | 3 | 3 | 3 | 2 | NS | NS | 7 | 14 | 4 | 3 | 4 | 0 | 2 | 0 | 2 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 5 | 6 | 3 | 0 | 0 | 3 | 8 | 6 | 15 | 3 | 6 | 5 | NS | 4 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 1 | 0 | 4 | 2 | NS | 3 | 2 | 16 | 5 | 4 | 2 | 2 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 2 | 4 | 3 | 2 | NS | 6 | NS | 17 | NS | NS | 2 | 4 | NS | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 1 | 2 | 0 | 6 | 0 | 6 | NS | 9 | 5 | 18 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 2 | 5 | 8 | 2 | NS | 4 | NS | 19 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 2 | 4 | 3 | 2 | 0 | 6 | 0 | 2 | 1 | NS | 3 | 6 | 20 | 3 | 2 | 8 | 2 | 3 | 2 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 1 | 4 | 2 | 4 | 7 | 5 | 6 | 21 | 2 | 3 | 3 | 3 | 5 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 2 | 3 | 0 | 2 | 2 | 0 | 4 | 2 | 1 | 8 | 22 | 5 | 3 | 2 | 1 | NS | 6 | 0 | 0 | NS | NS | NS | NS | NS | NS | 2 | 2 | 4 | 3 | 3 | 6 | 6 | 10 | 9 | 8 | 23 | 3 | 6 | 4 | 3 | 3 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 2 | 1 | 0 | 3 | 2 | 2 | NS | 6 | 0 | 24 | 1 | 2 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 2 | NS | NS | NS | NS | NS | NS | 4 | 1 | 2 | 4 | NS | NS | 6 | 25 | 3 | 5 | 7 | 6 | 0 | 4 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 3 | 2 | 3 | 2 | 5 | 5 | NS | 10 | 4 | 26 | 2 | 5 | 3 | 4 | 1 | 0 | NS | 0 | 2 | 2 | 2 | 2 | 1 | 0 | NS | 2 | 3 | 3 | 2 | 2 | 2 | 5 | 6 | NS | 27 | NS | NS | NS | 2 | 1 | 2 | 1 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 4 | 2 | 3 | 2 | 3 | 4 | NS | 28 | NS | NS | NS | NS | NS | 0 | 0 | 3 | NS | NS | NS | NS | NS | NS | NS |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | NS | NS | NS | NS | NS | NS | NS | NS |Jan. 01 | NS | 0 | NS | NS | NS | NS | 0 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | NS | NS | NS | NS | 0 | NS | 0 | NS | 02 | NS | NS | NS | 0 | 0 | NS | 0 | NS | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | NS | NS | NS | 03 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 1 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 05 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 06 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | 0 | 1 | NS | 07 | NS | 0 | NS | NS | NS | 0 | NS | NS | NS | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | NS | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 1 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 12 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | NS | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | NS | 0 | 0 | 16 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | NS | 0 | NS | 17 | NS | NS | 0 | 0 | NS | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 18 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | NS | 0 | NS | 19 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 1 | 1 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 22 | 0 | 1 | 0 | 0 | NS | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | NS | NS | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 27 | NS | NS | NS | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | 28 | NS | NS | NS | NS | NS | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h -------------------------------------------------------------------------------- About the RMOJ... RMOJ reports the results of radio meteor observations in Japan, sent to myself. I hope RMOJ will be helpful to radio observers, as well as all meteor observers. Hiroshi Ogawa 2026.03.08